1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Copyright 2003 PathScale, Inc.
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * Licensed under the GPL
5*4882a593Smuzhiyun */
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun #ifndef __UM_PROCESSOR_X86_64_H
8*4882a593Smuzhiyun #define __UM_PROCESSOR_X86_64_H
9*4882a593Smuzhiyun
10*4882a593Smuzhiyun struct arch_thread {
11*4882a593Smuzhiyun unsigned long debugregs[8];
12*4882a593Smuzhiyun int debugregs_seq;
13*4882a593Smuzhiyun unsigned long fs;
14*4882a593Smuzhiyun struct faultinfo faultinfo;
15*4882a593Smuzhiyun };
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun #define INIT_ARCH_THREAD { .debugregs = { [ 0 ... 7 ] = 0 }, \
18*4882a593Smuzhiyun .debugregs_seq = 0, \
19*4882a593Smuzhiyun .fs = 0, \
20*4882a593Smuzhiyun .faultinfo = { 0, 0, 0 } }
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun #define STACKSLOTS_PER_LINE 4
23*4882a593Smuzhiyun
arch_flush_thread(struct arch_thread * thread)24*4882a593Smuzhiyun static inline void arch_flush_thread(struct arch_thread *thread)
25*4882a593Smuzhiyun {
26*4882a593Smuzhiyun }
27*4882a593Smuzhiyun
arch_copy_thread(struct arch_thread * from,struct arch_thread * to)28*4882a593Smuzhiyun static inline void arch_copy_thread(struct arch_thread *from,
29*4882a593Smuzhiyun struct arch_thread *to)
30*4882a593Smuzhiyun {
31*4882a593Smuzhiyun to->fs = from->fs;
32*4882a593Smuzhiyun }
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun #define current_sp() ({ void *sp; __asm__("movq %%rsp, %0" : "=r" (sp) : ); sp; })
35*4882a593Smuzhiyun #define current_bp() ({ unsigned long bp; __asm__("movq %%rbp, %0" : "=r" (bp) : ); bp; })
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun #endif
38